Income Taxes - Provision / (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 31, 2019	May 25, 2019	Feb. 23, 2019	Nov. 24, 2018	Aug. 25, 2018	May 26, 2018	Feb. 24, 2018	Nov. 25, 2017	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017
Current:
Federal									$ 38,545	$ 23,815	$ 37,027
Foreign									(200)	527	1,995
State									11,733	8,012	6,642
Total current									50,078	32,354	45,664
Deferred:
Federal									7,289	(11,517)	(520)
Foreign									645	363	123
State									778	2,151	(340)
Total deferred									8,712	(9,003)	(737)
Total	$ 14,882	$ 14,480	$ 15,789	$ 13,639	$ 7,901	$ 11,433	$ (14,810)	$ 18,827	$ 58,790	$ 23,351	$ 44,927